SharePoint 2019 September 2020 Special Update21 Sep 2020 | SharePoint 2019
KB4461512 is a special fix for SharePoint Server 2019 to resolve previously known issues with Modern pages not rendering in non-English locales.
Make sure you install this with KB4484504 otherwise certain features will not work correctly.
|SharePoint Server 2019 (sts-x-none) (New Update)||https://support.microsoft.com/help/4461512|
|SharePoint Server 2019 (sts-x-none) (Previous Update)||https://support.microsoft.com/help/4484505|
|SharePoint Server 2019 (wssmui) (Previous Update)||https://support.microsoft.com/help/4484504|
|Office Online Server (Previous Update)||https://support.microsoft.com/help/4484503|
For all SharePoint updates, visit SharePoint Updates.